CN101566447A - Non-contact artillery breech firing pin deviation detecting system - Google Patents
Non-contact artillery breech firing pin deviation detecting system Download PDFInfo
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- CN101566447A CN101566447A CNA2009100746798A CN200910074679A CN101566447A CN 101566447 A CN101566447 A CN 101566447A CN A2009100746798 A CNA2009100746798 A CN A2009100746798A CN 200910074679 A CN200910074679 A CN 200910074679A CN 101566447 A CN101566447 A CN 101566447A
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- optical lens
- firing pin
- contact
- rule
- deviation detecting
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Abstract
A non-contact artillery breech firing pin deviation detecting system comprises an image acquisition device and a computer processing system. The image acquisition device movably arranged in a chamber comprises a detecting gauge, a ring light-emitting diode light source, an optical lens and a CCD camera; wherein the outer conical surface of the detecting gauge is matched with the inner conical surface of the chamber; the frontal end of the detecting gauge is provided with a calibrated wafer the center of which is provided with a gauge hole; the optical lens is fixedly arranged at the back of the detecting gauge; the back of the optical lens is fixedly provided with the CCD camera; the ring light-emitting diode light source is fixedly arranged around the optical lens; and the CCD camera is connected with the computer processing system arranged at outside of the chamber through data lines. The deviation detecting system images the cocked position of the firing pin and locates firing pin center through image processing techniques, thus measuring the deviation from the firing pin to the chamber center.
Description
Technical field
The invention belongs to gun precision detection technique field, relate to the detection of artillery breech firing pin deviation, particularly a kind of contactless artillery breech firing pin deviation detecting system.
Background technology
Cannon is a kind of important weapon in the modern weapons equipment, also is the weapon of countries in the world armed forces equipment quantity maximum.In manufacturing, assembling, maintenance and the use of cannon, in order to ensure the reliable precision of cannon emission, the degree of deviation at cannon breech block firing pin center and gun barrel cartridge chamber center is one of project that must detect.
Existing artillery breech firing pin deviation detection method is to hit the cartridge case that the plumbous fire in a stove before fuel is added is housed by firing pin to realize the indirect labor measurement.This method certainty of measurement is low, and the manual measurement error is big, and the plumbous fire in a stove before fuel is added is unfavorable for environmental protection, army's detection inconvenience.
Therefore, from certainty of measurement and environmental protection and use efficient and convenient angle, all need to develop a kind of new detection method to replace traditional detection method.
Summary of the invention
The purpose of this invention is to provide a kind of non-contact artillery breech firing pin deviation detecting system, use the accuracy of detection that this system can improve cannon breech block firing pin center and gun barrel cartridge chamber centre deviation degree, and help environmental protection.
The detection principle of non-contact artillery breech firing pin deviation detecting system of the present invention is that the firing position with firing pin carries out imaging, finds the firing pin center by image processing techniques, thereby measures the degree of deviation at firing pin and cartridge chamber center.
Non-contact artillery breech firing pin deviation detecting system of the present invention comprises image acquiring device and computer processing system, wherein, described image acquiring device is movably arranged in the cartridge chamber, comprise and detect rule, annular LED source, optical lens and CCD camera, the outer conical surface that detects rule matches with the internal conical surface of cartridge chamber, be equipped with one at the front end that detects rule and demarcate disk, its center is provided with a gauge orifice; Optical lens is fixedly mounted on the rear portion of detecting rule, is installed with the CCD camera thereafter, annular LED source be fixedly mounted on optical lens around; The CCD camera is connected with the computer processing system that is located at the cartridge chamber outside by data line.
The diameter of bore processing of the gauge orifice that described demarcation disk is provided with is used to demarcate the actual engineering size of the single pixel representative of camera after accurate measurement is a numerical value of determining, and the central lines of the center of circle of gauge orifice and cartridge chamber.
Further, described optical lens specifically is to be fixed on the rear portion of detecting rule by being connected the optical lens axial restraint seat that detects the optical lens abutment sleeve on the rule and be connected on the optical lens abutment sleeve respectively, described CCD camera then is fixedly mounted on after the optical lens by being connected Camera fixing seat on the optical lens axial restraint seat, to realize the fixing of optical lens and CCD camera position.The optical axis of the optical lens after fixing also coincides with the center line of cartridge chamber.
Described annular LED source then by the optical lens abutment sleeve be fixedly mounted on optical lens around, clear to guarantee the image quality of detection system under the varying environment condition.Simultaneously, on Camera fixing seat, also be fixed with a rechargeable battery, as the power supply of annular LED source, to annular LED source power supply.
Can also be provided with a protective cover at described optical lens and CCD camera outside, described protective cover is fixedly connected on the rear end face that detects rule, plays the effect of protection CCD camera.
Above-mentioned image acquiring device is installed in the cartridge chamber, just can implements to detect the degree of deviation of cannon breech block firing pin.In addition, also be provided with handle detecting on the rule, be convenient to detect finish after, image acquiring device is pulled out in cartridge chamber.
Above-mentioned image acquiring device is after long-term the use, and the outer conical surface that detects rule may produce certain wearing and tearing, makes that detecting rule demarcates the center line that cartridge chamber is departed from the center of circle of gauge orifice on the disk slightly, causes test error.Therefore, non-contact artillery breech firing pin deviation detecting system of the present invention can also comprise that is used to be installed in a corrective gauge that detects the rule front end in the cartridge chamber, the outer conical surface of described corrective gauge cooperates with the internal conical surface of cartridge chamber, which is provided with a correction hole concentric with outer conical surface.Described corrective gauge is used for the center of circle of detecting gauge orifice on the rule demarcation disk is demarcated automatically and revised.
The course of work of non-contact artillery breech firing pin deviation detecting system of the present invention is: image acquiring device is put into the barrel cartridge chamber, close the cannon breech block, with gauge orifice on the image acquiring device and the imaging of breech block firing pin, automatically find the position of gauge orifice and firing pin head center by computer processing system, and calculate the coordinate distance and two line of centres distances at two centers automatically, thereby obtain the side-play amount and the offset direction at firing pin and cartridge chamber center.
Computer processing system of the present invention can also be proofreaied and correct according to the systematic error that corrective gauge is gone up gauge orifice to detection rule, to eliminate the measuring system error, make test have a better objectivity, test data can accurate response goes out the departure and the bias direction of firing pin center reality.
Non-contact artillery breech firing pin deviation detecting system of the present invention has been eliminated the manual measurement error, improved the accuracy of detection of cannon breech block firing pin center and barrel cartridge chamber centre deviation degree, have the characteristics of compact conformation, accuracy of detection height, easy to use, quick and environmental protection, be widely used in the detection at the various large caliber gun breech block firing pin degrees of deviation such as cannon manufacturer, cannon maintaining unit and army.
Description of drawings
Fig. 1 is the assembly structure schematic diagram of non-contact artillery breech firing pin deviation detecting system of the present invention when being in correcting state;
Fig. 2 is the assembly structure schematic diagram of non-contact artillery breech firing pin deviation detecting system of the present invention when being in detected state;
Fig. 3 is the decomposition shaft side figure of non-contact artillery breech firing pin deviation detecting system main parts size of the present invention;
Fig. 4 is the partial enlarged drawing of firing pin among Fig. 2;
Fig. 5 is that the imaging of non-contact artillery breech firing pin deviation detecting system of the present invention detects schematic diagram.
The specific embodiment
Below be described in detail by the structure and the testing process of a concrete Application Example non-contact artillery breech firing pin deviation detecting system of the present invention.
1, the assembly relation of each main parts size of detection system and function (Fig. 3)
Detection system includes image acquiring device, computer processing system and corrective gauge.
Image acquiring device comprises detection rule 4, is fixed in the high-resolution CCD camera 12, optical lens 8 and the annular LED sources 5 that detect in the rule 4, be movably arranged in the cartridge chamber 13, and the outer conical surface of detection rule 4 matches with the internal conical surface of cartridge chamber 13.
Be fixed with handle 3 in the front portion of detecting rule 4, be convenient to detect rule 4 after detection finishes and in cartridge chamber 13, pull out.
Optical lens abutment sleeve 6 is fixed in optical lens 8 by screw and detects on the rule 4, and optical lens abutment sleeve 6 also has the effect that is fixedly mounted on optical lens 8 annular LED source 5 all around concurrently.
Optical lens axial restraint seat 7 is fixed on the optical lens abutment sleeve 6 by screw, guarantees determining of optical lens 8 axial locations.
Be equipped with one at the front end that detects rule 4 and demarcate disk 15, its center is provided with a gauge orifice, the central lines of the center of circle of gauge orifice and cartridge chamber 13.The aperture of gauge orifice is used to demarcate the actual size of the single pixel correspondence of CCD camera 12 imagings.
The outer conical surface of corrective gauge 2 matches with the internal conical surface of barrel cartridge chamber 13, guarantees that corrective gauge 2 is concentric with the axis of cartridge chamber 13.On corrective gauge 2, be provided with a correction hole 16, guarantee during machining that its outer conical surface with corrective gauge 2 is concentric.
2, the trimming process of detection system
Be under the unlocking condition at breech block 18, the detection that assembles rule 4 are put into cartridge chamber 13 with suitable thrust, guarantee to detect the accurate location of rule 4 and cartridge chamber 13.Corrective gauge 2 is put into cartridge chamber 13 with suitable thrust, also guarantee the accurate location of corrective gauge 2 and cartridge chamber 13, as shown in Figure 1, can begin the correction of detection system.
Obtain the correction hole 16 of corrective gauge 2 under this state and detect the image that rule 4 are demarcated the gauge orifice of disk 15 by computer processing system 1, pass through image processing software, center with corrective gauge 2 correction holes 16 is a benchmark, automatically the cent(e)ring of gauge orifice is arrived the center of corrective gauge 2 correction holes 16.
After correction finishes, take out corrective gauge 2, keep and detect rule 4 in cartridge chamber 13, as shown in Figure 2, can begin the detection of artillery breech firing pin deviation.
The trimming process of said detecting system is not to be all must carry out when each the detection.Can regularly detect rule 4 and proofread and correct according to actual conditions, detect the rule 4 long-term test errors that use wearing and tearing to cause to eliminate by 2 pairs of corrective gauges.
3, the testing process of detection system
Claims (10)
1, a kind of non-contact artillery breech firing pin deviation detecting system, comprise image acquiring device and computer processing system, it is characterized in that described image acquiring device is movably arranged in the cartridge chamber (13), comprise and detect rule (4), annular LED source (5), optical lens (8) and CCD camera (12), the outer conical surface that detects rule (4) matches with the internal conical surface of cartridge chamber (13), be equipped with one at the front end that detects rule (4) and demarcate disk (15), its center is provided with a gauge orifice; Optical lens (8) is fixedly mounted on the rear portion of detecting rule (4), is installed with CCD camera (12) thereafter, annular LED source (5) be fixedly mounted on optical lens (8) around; CCD camera (12) is connected by data line (9) computer processing system (1) outside with being located at cartridge chamber (13).
2, non-contact artillery breech firing pin deviation detecting system according to claim 1, it is characterized in that also including one and be used to be installed in the corrective gauge (2) that detects rule (4) front end in the cartridge chamber (13), the outer conical surface of described corrective gauge (2) cooperates with the internal conical surface of cartridge chamber (13), which is provided with a correction hole (16) concentric with outer conical surface.
3, non-contact artillery breech firing pin deviation detecting system according to claim 1, it is characterized in that described optical lens (8) is fixed on the rear portion of detecting rule (4) by being connected the optical lens axial restraint seat (7) that detects the optical lens abutment sleeve (6) on the rule (4) and be connected on the optical lens abutment sleeve (6) respectively, described CCD camera (12) is fixedly mounted on optical lens (8) afterwards by the Camera fixing seat (11) that is connected on the optical lens axial restraint seat (7).
4, non-contact artillery breech firing pin deviation detecting system according to claim 3 is characterized in that with clip (17) described CCD camera (12) being fixed on the Camera fixing seat (11).
5, non-contact artillery breech firing pin deviation detecting system according to claim 3, it is characterized in that described annular LED source (5) by optical lens abutment sleeve (6) be fixedly mounted on optical lens (8) around.
6, according to claim 1 or 3 described non-contact artillery breech firing pin deviation detecting systems, it is characterized in that being provided with protective cover (14) in the outside of described optical lens (8) and CCD camera (12), described protective cover (14) is fixedly connected on the rear end face that detects rule (4).
7,, it is characterized in that on detection rule (4), being provided with handle (3) according to claim 1 or 3 described non-contact artillery breech firing pin deviation detecting systems.
8, according to claim 1 or 4 described non-contact artillery breech firing pin deviation detecting systems, it is characterized in that also being provided with a rechargeable battery (10) to annular LED source (5) power supply, described rechargeable battery (10) is fixed on the Camera fixing seat (11).
9, non-contact artillery breech firing pin deviation detecting system according to claim 1 is characterized in that the center of circle of described demarcation disk (15) gauge orifice and the central lines of cartridge chamber (13).
10, non-contact artillery breech firing pin deviation detecting system according to claim 1 is characterized in that the central lines of the optical axis and the cartridge chamber (13) of described optical lens (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910074679A CN101566447B (en) | 2009-06-03 | 2009-06-03 | Non-contact artillery breech firing pin deviation detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910074679A CN101566447B (en) | 2009-06-03 | 2009-06-03 | Non-contact artillery breech firing pin deviation detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101566447A true CN101566447A (en) | 2009-10-28 |
| CN101566447B CN101566447B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910074679A Expired - Fee Related CN101566447B (en) | 2009-06-03 | 2009-06-03 | Non-contact artillery breech firing pin deviation detecting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115448A (en) * | 2015-05-23 | 2015-12-02 | 中国人民解放军63853部队 | Method for measuring eccentricity of firing mark of firing pin of cannon |
| CN105241398A (en) * | 2015-10-20 | 2016-01-13 | 中国科学院沈阳自动化研究所 | Non-contact full-automatic shell body coaxiality detection device |
| CN105344049A (en) * | 2015-12-22 | 2016-02-24 | 长春远洋特种工业材料有限公司 | Wedge type front loading fire-extinguishing device |
| CN110132070A (en) * | 2019-04-24 | 2019-08-16 | 中国人民解放军陆军工程大学 | Device and method for detecting projection amount of gun firing pin |
| CN111569982A (en) * | 2020-05-18 | 2020-08-25 | 武汉轻工大学 | Rice milling quality control equipment and method and intelligent rice milling system |
| CN113865421A (en) * | 2021-08-29 | 2021-12-31 | 南京理工大学 | Bore internal surface non-contact rotary scanning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4502649A (en) * | 1980-12-19 | 1985-03-05 | United Technologies Corporation | Gun-launched variable thrust ramjet projectile |
| NZ210457A (en) * | 1984-12-06 | 1988-10-28 | Trevor Allan Austin | Gun firing by solenoid |
| CN85200580U (en) * | 1985-04-16 | 1986-07-23 | 中国人民解放军装甲兵技术学院 | Optical combined checking instrument for checking the barrel of a cannon |
| CN2050154U (en) * | 1989-02-08 | 1989-12-27 | 阎万昌 | Detecting device for cannon barrel and tube flexibility |
| CN2174679Y (en) * | 1993-09-25 | 1994-08-17 | 中国科学院沈阳自动化研究所 | Automatic defect checking device for inner bore of cannon |
| CN2819163Y (en) * | 2005-08-04 | 2006-09-20 | 北京凯瑞德图像技术有限责任公司 | Stabilized precisioning comprehensive tester of cannon system |
-
2009
- 2009-06-03 CN CN200910074679A patent/CN101566447B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115448A (en) * | 2015-05-23 | 2015-12-02 | 中国人民解放军63853部队 | Method for measuring eccentricity of firing mark of firing pin of cannon |
| CN105115448B (en) * | 2015-05-23 | 2017-12-08 | 中国人民解放军63853部队 | Cannon firing pin percussion mark eccentric measurement method |
| CN105241398A (en) * | 2015-10-20 | 2016-01-13 | 中国科学院沈阳自动化研究所 | Non-contact full-automatic shell body coaxiality detection device |
| CN105241398B (en) * | 2015-10-20 | 2017-08-25 | 中国科学院沈阳自动化研究所 | A kind of noncontact body axiality fully-automated synthesis equipment |
| CN105344049A (en) * | 2015-12-22 | 2016-02-24 | 长春远洋特种工业材料有限公司 | Wedge type front loading fire-extinguishing device |
| CN110132070A (en) * | 2019-04-24 | 2019-08-16 | 中国人民解放军陆军工程大学 | Device and method for detecting projection amount of gun firing pin |
| CN110132070B (en) * | 2019-04-24 | 2024-04-12 | 中国人民解放军陆军工程大学 | Gun firing pin protrusion detection device and gun firing pin protrusion detection method |
| CN111569982A (en) * | 2020-05-18 | 2020-08-25 | 武汉轻工大学 | Rice milling quality control equipment and method and intelligent rice milling system |
| CN111569982B (en) * | 2020-05-18 | 2022-04-01 | 武汉轻工大学 | Rice milling quality control equipment and method and intelligent rice milling system |
| CN113865421A (en) * | 2021-08-29 | 2021-12-31 | 南京理工大学 | Bore internal surface non-contact rotary scanning device |
| CN113865421B (en) * | 2021-08-29 | 2022-12-27 | 南京理工大学 | Bore internal surface non-contact rotary scanning device |
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| Publication number | Publication date |
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| CN101566447B (en) | 2012-09-26 |
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Granted publication date: 20120926 Termination date: 20130603 |